欢迎登录材料期刊网

材料期刊网

高级检索

采用求解Schr(o)dinger方程和数值计算的方法,研究了处于GHZ类态的三个全同二能级纠缠原子与Fock态光场相互作用的动力学特性,讨论了原子布居算符和光场的二阶相干度与三原子体系初始态的纠缠度、Fock态光场的光场强度的依赖关系.结果表明:系统处在非纠缠态,原子布居呈现出周期性的崩塌和回复现象,当光场为真空场时,出现真空Rabi振荡现象;随着光场的增强,原子布居的Rabi振荡频率增大.当系统处在纠缠态,随着纠缠度的增加,光子开始出现聚束效应,在最大纠缠态,聚束效应和反聚束效应交替出现,二阶关联函数的振荡幅度随着纠缠度的增强而增强.

参考文献

[1] Walls D W.Squeezed state of light[J].Nature,1983,306:141-146
[2] Jaynes E T,Cummings F W.Comparison of quantum and semiclassical radiation theory with application to the beam maser[J].Proc IEEE,1963,51:89-109
[3] Liu S B.Squeezing of the radiation field in a cavity with mixed state atomic system[J].Acta Optica Sinica (光学学报),1994,14(3):248-252 (in Chinese)
[4] Huang C J,Zhou M,Li J F,et al.Quantum properties of light in the system of two mode squeezing vacuum field interacting with two coupling atoms[J].Acta Physica Sinica (物理学报),2000,49:2159-2164 (in Chinese)
[5] Guo Hong,et al.The relations of atomic dipole squeezing and two-mode radiation field squeezing in a generalizeded two-mode Jaynes-Cummings model[J].Acta Optica Sinica (光学学报),1998,18(2):135-140 (in Chinese)
[6] Zhou Peng,Peng Jinsheng.Dipole squeezing in the two-photon Jaynes-Cummings model with superposition state preparation[J].Phys.Rev.A,1991,44:3331-3335
[7] Zhang Z M,Xu L,Chai J L,et al.A new kind of higher-order squeezing of radiation field[J].Phys.Lett.A,1990,150(1):27-30
[8] Einstein A,et al.Can quantum-mechanical description of physical reality be considered complete?[J].Phys.Rev.,1935,47(10):777-780
[9] Schrodinger E.Die gegenwartige situation in der quantenme chanik[J].Naturwissenschaften,1935,23:807-812;823-828; 844-849
[10] Sanders B C.The entangled coherent states[J].Phys.Rev.A,1992,45(9):6811-6815
[11] Peng J S,Li G X.Introduction of Modern Quantum Optics (近代量子光学导论)[M].Beijing:Science Press,1996,185-193 (in Chinese)
[12] Cao Zhuoliang,Sun Zaoqi,Zhao Xia.Dipole squeezing in the beat three-level atom with superposition state preparation[J].Chinese Journal of Quantum Electronics (量子电子学报),1997,14(2):124-129 (in Chinese)
[13] Zheng S B,Guo G C.Efficient scheme for two-atom entanglement and quantum information processing in cavity QED[J].Phys.Rev.Lett.,2000,85:2392-2395
[14] Zheng S B,Guo G C.Teleportation of atomic states within cavities in thermal states[J].Phys.Rev.A,2001,63:044302
[15] Guo Guangcan.Quantum Optics (量子光学)[M].Beijing:Higher Education Press,1990.118-134 (in Chinese)
[16] Wu Lingan,Kimble H J,Hail J L,et al.Generation of squeezed state by parametric down conversion[J].Phys.Rev.Lett.,1986,57:2520-2523
[17] Tian Yonghong,Pen Jinsheng.Atomic dipole squeezing and coherent population trapping in the system of twomodes squeezed vacuum field interacting with a two-level atom[J].Acta Physica Sinica (物理学报),1999,48:2060-2069 (in Chinese)
[18] Wu Meijun,Pen Jinsheng.Dipole squeezing of a three-level atom driven by the two-mode coherent state field[J].Chinese Journal of Quantum Electronics (量子电子学报),1997,14(3):315-320 (in Chinese)
[19] Dong Chuanhua.Dynamic behavior of a system of three-level atoms interaction with light field[J].Acta Optica Sinica (光学学报),2003,23:142-149 (in Chinese)
[20] Zhou Peng,Peng Jinsheng.Atomic squeezing effects in the two-photon Jaynes-Cummings model[J].Acta Physica Sinica (物理学报),2000,49(8):1490-1494 (in Chinese)
[21] Compagno G,et al.Squeezing in a two-photon Dick Hamiltona.Opt.Commun.,1986,57:415-417
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%